Home / 10,381,866.40-15,572,799.60-4,989,216.48

Finding the Fourth Proportional to 10,381,866.40, 15,572,799.60 and 4,989,216.48

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Solution

The fourth proportional to 10,381,866.40, 15,572,799.60 and 4,989,216.48 is: 7,483,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381,866.40 : 15,572,799.60 = 4,989,216.48 : x
  2. Step 2: Convert to fraction form
    10,381,866.40/15,572,799.60 = 4,989,216.48/x
  3. Step 3: Cross multiply
    10,381,866.40x = 15,572,799.60 × 4,989,216.48
  4. Step 4: Simplify right side
    10,381,866.40x = 77,696,068,326,193.41
  5. Step 5: Solve for x
    x = 77,696,068,326,193.41/10,381,866.40
  6. Step 6: Final answer
    x = 7,483,824.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.